Finding the Fourth Proportional to 120,406,673,447.57, 166,164,358,532.16 and 65,477,059,099.14

Step by Step Solution

1. Step 1: Write the proportion equation
   120,406,673,447.57 : 166,164,358,532.16 = 65,477,059,099.14 : x
2. Step 2: Convert to fraction form
   120,406,673,447.57/166,164,358,532.16 = 65,477,059,099.14/x
3. Step 3: Cross multiply
   120,406,673,447.57x = 166,164,358,532.16 × 65,477,059,099.14
4. Step 4: Simplify right side
   120,406,673,447.57x = 10,879,953,523,780,928,667,648
5. Step 5: Solve for x
   x = 10,879,953,523,780,928,667,648/120,406,673,447.57
6. Step 6: Final answer
   x = 90,360,054,075.56